From the answer:
Well you should be able to figure out what version of QB it is.... You tagged as "Desktop" so assuming it is, when the program and company file is open the top banner should read "Company Name" - QuickBooks Desktop Pro (or Premier or Enterprise) 201X whe

From the answer:
Other than possibly restoring from a backup you created before starting the payroll setup once you open Setup Payroll you should be able to see a navigation tree where you can essentially start again at the beginning correcting your errors - but ther